Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
taifead
←
Old Irish
taithmet
(inherited)
←
Old Irish
taidmet
(mention)
←
Old Irish
to-
(mention)
←
Old Irish
aithmet
(mention)
→
Irish
taifeadán
(suffix)